For sourceruns videos it's done in one of two ways. It's either added in post in a video editor, or using a plugin. I'm not sure which plugin it is, but it's most likely not legal for speedrunning.
https://cdn.discordapp.com/attachments/877143798700986388/877616043386884166/HudLayout_2_1.res
Edit the line that says "Waezone", at line 33, and replace the HudLayout.res in the portal/scripts/ folder. I don't think there's any reason for this to not be valid in runs, but that's up to the mods.
Starting now and currently being grandfathered, all console runs will be manually retimed with load times removed. This process will be redone by the verification team anyway, so don't worry about doing it yourself when submitting. Massive shoutouts to Tactix1 for doing this basically single handedl
